Monarch Disease Ontology term MONDO_0014437 (Bardet-Biedl syndrome 9) is any Bardet-Biedl syndrome in which the cause of the disease is a mutation in the BBS9 gene. Also known as: BBS9, BBS9 Bardet-Biedl syndrome, Bardet-Biedl syndrome caused by mutation in BBS9, Bardet-Biedl syndrome type 9.